81 x 9 = 801. What must you do to make the this equation true?

Can you solve below mathematical equation?

2^1234 - 2^1233

I am a number I am not an odd number I am higher than 90 I am not higher than 100 If you subtract me from 100, you get nothing. What number am I?

There is a wide field of corn. A goose finds its way into the field and starts running. Can you find out till which point the goose can run into the field?

Which English verb becomes past tense just by rearranging the letters?

I welcome the day with a show of light, I stealthily came here in the night. I bathe the earthy stuff at dawn, But by noon, alas! I'm gone.

Two batsman each on 94 runs. Seven runs needed to win in last 3 balls. Both make 100*. How?

What will be the best approach to finding all the prime numbers less than 75 that leave an odd reminder when we divide them with 5?

A mother is 21 years older than her child. In exactly 6 years from now, the mother will be exactly 5 times as old as the child.
Where's the father?

Can you find the missing number in the third row?
35 20 14
27 12 18
5 2 ?